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Before I get shouted down I am studying my gas as part of my nvq level 3, I work with a gas safe engineer just want a wider opinion on a matter. I know when running a gas pipe vertical in a stud wall you need to run a vertical batten either side of the pipe and hopefully at the back of it. So...

Do you think the viper gas manual is worth the price? Studying my gas on my nvq level 3 in plumbing. Looking at getting one is like £100 though.

So supplier side of the meter first then customer side?

I wonderd if any one can help me with a question for gas meter removal on my nvq level 3 in plumbing. When applying temporary continuity bonding on the pipe work before removing the meter. Do I place the continuity bonding on the upstream side on the meter( side with ecv on) the the downstream...

Thanks for the help. guessing there's no push fit option? As would be a lot easier to re-use.

would be 15mm pipe. Only think I can think of is a 1/4 bsp female to 15mm compression. If they do such a fitting?

3 Way Pressure Tester by Riley26 posted 30 May 2017 at 8:30 PM

Any one used a 3 way pressure test kit like this. http://www.hvpsupplies.com/191/3-way-Gas-Pressure-Test-Tee-Kit#.WS3GaIWcHIU What kind of adapter do you use on the tester to connect to the pipework. Its like a 1/4 male thread. Thanks

I had a small leak on a pushfit waste fittings. That was slightly not all the way home. Pushing in all the way cured it. Is this usual or is there likely to be something wrong with the o-ring?

So is it likely I just need to open the drain on it to let so dirty water out?

There's no valves on either side to isolate to remove the magnet. So guessing you don't need to?

To clean/service a central heating filter, if it has no ISO valves on it. Is it just a case of opening the drain valve on it till the water runs clearer from it? There are no ISO valves on it to turn off to remove the filter to clean. Thanks

Thanks I read in my viper book that at the time of writing that current fga are unable to determine specifically C02 levels within a room. That's why I thought was that.

Couldn't be cheeky and ask advice on another one what can't a Flue gas analysers be used for. Test the c0/c02 ratio, test oxygen. test for c02 or for continuous use ? I believe its testing for c02 but I maybe wrong.

Thanks just let me look through my book

was for 2 vents should they be positioned at opposite ends of the room or at a distance between the fires? Or same wall

Sorry have been away from the computer. The question wasn't asking me to size the vents. But were should they be positioned in relationship to the two dfe fires

should the be positioned at a set distance between the 2 fire? on opposite walls?